AIDS Awareness Month
Awareness Month of Awareness Months Month
Bingo’s Birthday Month
National Drunk and Drugged Driving (3D) Prevention Month
National Human Rights Month
National Tie Month
National Write a Business Plan Month
Operation Santa Paws (12/1-12/24)
Quince and Watermelon Month
Root Vegetables and Exotic Fruits Month
Safe Toys and Gifts Month
Spiritual Literacy Month
Take a New Year’s Resolution to Stop Smoking (TANYRSS) (December 17-February 5)
Tomato and Winter Squash Month
Universal Human Rights Month
Worldwide Food Service Safety Month
DECEMBER WEEKLY HOLIDAYS AND OBSERVANCES
Cookie Cutter Week, December 1-7
Clerc-Gallaudet Week, December 3-10
National Handwashing Awareness Week, December 4-10 (First Week)
Recipe Greetings For The Holidays Week, December 4-10 (First Full Week)
Computer Science Education Week, December 4-10 (Always week with 12/9. Birthday of Admiral Grace Murray Hopper.)
Cookie Exchange Week, December 5-9 (First M-F Week Before Christmas)
International Coelenterate Biology Week, December 5-9
Older Driver Safety Awareness Week, December 5-9
Human Rights Week, December 10-17
Christmas Bird Count Week, December 14-1/5 (Always every year)
Halcyon Days, December 14-28 (Always seven days before/after the Winter Solstice)
Posadas, December 16-24
Saturnalia, December 17-23
Gluten-free Baking Week, December 18-24 (Week Before Christmas)
It’s About Time Week, December 25-31
Kwanzaa, December 26-January 1
DECEMBER NATIONAL DAYS
DECEMBER 1
World AIDS Day
National Pie Day
National Eat a Red Apple Day
Bifocals at the Monitor Liberation Day
Day With(out) Art Day
Rosa Parks Day
DECEMBER 2
International Day for the Abolition of Slavery
National Fritters Day
National Mutt Day
Special Education Day #SpecialEducationDay
Rockefeller Center Tree Lighting – Changes Annually
Faux Fur Friday – First Friday in December
DECEMBER 3
International Day of Persons with Disabilities
Roof Over Your Head Day #RoofOverYourHeadDay
National Rhubarb Vodka Day – First Saturday in December
Skywarn Recognition Day – First Saturday in December
DECEMBER 4
National Cookie Day
National Dice Day
DECEMBER 5
World Soil Day
International Volunteer Day for Economic and Social Development
National Sacher Torte Day
AFL-CIO Day
Bathtub Party Day
International Ninja Day
Repeal Day #RepealDay
DECEMBER 6
National Pawnbrokers Day
National Microwave Oven Day
National Gazpacho Day
St. Nicholas Day
Miners’ Day
DECEMBER 7
International Civil Aviation Day
National Pearl Harbor Remembrance Day
National Cotton Candy Day
DECEMBER 8
National Brownie Day
Pretend to Be a Time Traveler Day #PretendToBeATimeTravelerDay
DECEMBER 9
International Anti-Corruption Day
National Pastry Day
Weary Willie Day
DECEMBER 10
Dewey Decimal System Day
Human Rights Day
Nobel Prize Day
National Wreaths Across America Day – Second Saturday in December
DECEMBER 11
International Mountain Day
National Noodle Ring Day
UNICEF Birthday
DECEMBER 12
National Ambrosia Day
National Ding-a-Ling Day
Gingerbread House Day
Poinsettia Day
DECEMBER 13
National Cocoa Day
National Violin Day
National Day Of The Horse (Senate Res. 452)
Pick a Pathologist Pal Day
DECEMBER 14
National Bouillabaisse Day
DECEMBER 15
National Cupcake/ Lemon Cupcake Day
Bill of Rights Day
Cat Herders Day #CatHerdersDay
DECEMBER 16
National Chocolate-covered Anything Day
Barbie and Barney Backlash Day
National Ugly Christmas Sweater Day – Third Friday in December
Underdog Day – Third Friday in December
DECEMBER 17
National Maple Syrup Day
Wright Brothers Day
DECEMBER 18
International Migrants Day
U.N. Arabic Language Day
National Roast Suckling Pig Day
Answer The Telephone Like Buddy The Elf Day
Free Shipping Day – Changes Annually
DECEMBER 19
National Hard Candy Day
National Oatmeal Muffin Day
DECEMBER 20
National Sangria Day
Mudd Day
DECEMBER 21
National French Fried Shrimp Day
Crossword Puzzle Day
Humbug Day #HumbugDay
Phileas Fogg Win a Wager Day
Winter Solstice – Day Between December 20 and 23
National Flashlight Day – Day of Winter Solstice
National Homeless Persons’ Remembrance Day – First Day of Winter
Yule – Day of Winter Solstice
DECEMBER 22
National Date Nut Bread Day
Anne and Samantha Day (also June 21)
Forefathers Day – December 22 – Unless on Sunday, Then Following Monday
National Re-Gifting Day – Thursday before Christmas
DECEMBER 23
National Pfeffernusse Day
National Roots Day
Festivus
DECEMBER 24
National Eggnog Day
Christmas Eve
Chanukah Begins – Changes Annually
DECEMBER 25
National Pumpkin Pie Day
A’Phabet Day or No “L” Day
Christmas
DECEMBER 26
National Candy Cane Day
National Thank You Note Day
National Whiner’s Day
Boxing Day (Canada)
DECEMBER 27
National Fruitcake Day
DECEMBER 28
National Chocolate Candy Day
National Card Playing Day
Holy Innocents Day
Pledge of Allegiance Day
DECEMBER 29
National Pepper Pot Day
Tick Tock Day
DECEMBER 30
National Bicarbonate of Soda Day
Falling Needles Family Fest Day
Bacon Day
No Interruptions Day – Last Work Day of the Year
DECEMBER 31
National Champagne Day
Leap Second Time Adjustment Day (Note: This is listed as an observance title only. Some years scientists do not make adjustments. But, if they do, then it’s done on either June 30 or December 31.)
Make Up Your Mind Day
New Year’s Eve
Universal Hour of Peace
Sources
National Day Calendar
Holiday Insights
TrackMaven
Brownie Locks
Wikipedia
Sprout Social